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					                RECOMMENDED PROCEDURE
                        FOR INSTALLATION OF
             DRILLCO MAXI-BOLT ANCHORS

                                          Revision 0588VO


                                                  By
                                      Drillco National Group
                                          P. O. Box 2182
                                    Long Island City, NY 11102
                                     Telephone: (800) 391-0052
                                       www.drillcogroup.com
                                   techsupport@drillcogroup.com


1.0 GENERAL REQUIREMENTS

     1.1 This procedure specifies drill sizes, minimum hole depths, embedment dimensions, and
     installation requirements for Maxi-Bolt anchors as manufactured by Drillco Devices Ltd.

     1.2 Personnel assigned to install Maxi-Bolt anchors should receive training from a Drillco
     Qualified Instructor before proceeding with work.

2.0 DRILLING HOLES

     2.1 Locating Holes

            2.1.1 Mark placement of anchor(s) on concrete in accordance with job site specifications.

     2.2 Drilling Primary Hole

            2.2.1 Holes shall be drilled with a Drillco carbide percussion drill bit, Drillco "Rebar
            Eater" bit, or Drillco diamond core bit.

            2.2.2 Drill bit diameter is specified in Table I and is presented solely for informational
            purposes.

                   a. A Drillco DBGNG (Drill Bit Go/No Go Gauge) shall be used to determine

                                             Page 1 of 19
              acceptability of the primary hole bit.

              b. This procedure does not specify a minimum primary hole bit diameter.

       2.2.3 Drill hole to depth specified in Table I.
              a. Hole depth shall not be less than hole depth specified.

              b. Hole may be drilled to any depth greater than hole depth specified.

       2.2.4 Holes shall be drilled within 6 degrees of perpendicular to the nominal concrete
       surface.

              a. The use of a guide, level, or square is recommended.

       2.2.5 Clean hole of concrete dust and debris.

       2.2.6 Measure depth of hole to ensure that minimum hole depth has been achieved.

2.3 Relocating Hole

       2.3.1 If anchor must be relocated and a new hole drilled, the old hole shall be repaired in
       accordance with contract drawings or specifications.

2.4 Drilling Undercut in Primary Hole

       2.4.1 Undercut in primary hole shall be drilled only with a Drillco Undercutting Tool.

       2.4.2 Tool diameter A and cutter diameter B (diameter with cutter(s) in fully opened
       position) are specified in Table II (for informational purposes only) and illustrated in
       Figures 1 and 1A.

              a. A Drillco UTGNG (Undercutting Tool Go/No Go Gauge) shall be used to
              determine that the cutter blades are within the tolerances specified in Table II.

       2.4.3 The depth at which the undercut is formed is controlled by the position of tool's
       bearing sleeve (C in Figures 1 and 1A). To achieve the correct undercut depth:

              a. Set tool's bearing sleeve so that Dimension F in Figure 1 or 1A corresponds to
              the specified embedment depth of the anchor being installed.

              b. When anchors are to be installed prior to placement of attachment, the bottom of
              the bearing sleeve should be placed in contact with the surface of the concrete.

              c. When anchors are being installed through an "in place" attachment, the bearing
              sleeve should be placed in contact with the surface of the attachment. Furthermore,
              the attachment should be in contact with the nominal surface of concrete.

       2.4.4 With the bearing sleeve in contact with the surface of the concrete or attachment, but
       with no pressure applied to the drill, start drill motor.

                                        Page 2 of 19
2.4.5 With drill motor running apply a steady pressure on the drill.

2.4.6 When Pin D is in contact with bottom of Slot E (as shown in Figures 1 and 1A) the
undercut is complete. To verify this it will be necessary to stop the drill motor and observe
the pin location.

2.4.7 After the undercut is complete, stop the drill motor and remove the tool from the
hole. Inspect insert blade(s) to ensure that they have not been damaged during the drilling
operation.

2.4.8 Clean the hole of concrete dust and debris.




                                Page 3 of 19
Page 4 of 19
                                  High Strength Steel Maxi-Bolts
                                      ASTM A193 Grade B7
                                                UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
A.   Conical Nut          ASTM A193 Grade B7
                                                UN 8 Pitch Series Class 2B fit for 1 1/4"
B.   Expansion Sleeve     ASTM A513 Type 5      ERW DOM Tubing
                                                UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
C.   Threaded Stud Bolt   ASTM A193 Grade B7
                                                UN 8 Pitch Series Class 2B fit for 1 1/4"
D.   Distance Tube        ASTM A513 Type 5      ERW DOM Tubing
E.   Washer               ASTM A325             Hardened Round Flat Washer
                                                UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
F.   Heavy Hex Nut        ASTM A194 Grade 2H
                                                UN 8 Pitch Series Class 2B fit for 1 1/4"




                                       Mild Steel Maxi-Bolts
                                            ASTM A36
                                                UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
A.   Conical Nut          ASTM A193 Grade B7
                                                UN 8 Pitch Series Class 2B fit for 1 1/4"
B.   Expansion Sleeve     ASTM A513 Type 5      ERW DOM Tubing
                                                UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
C.   Threaded Stud Bolt   ASTM A36
                                                UN 8 Pitch Series Class 2B fit for 1 1/4"
D.   Distance Tube        ASTM A513 Type 5      ERW DOM Tubing
E.   Washer               ASTM A325             Hardened Round Flat Washer
                                                UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
F.   Heavy Hex Nut        ASTM A194 Grade 2H
                                                UN 8 Pitch Series Class 2B fit for 1 1/4"




                                               Page 5 of 19
                                   Stainless Steel Maxi-Bolts
                             ASTM A193 Grade B8 - Class 1 - Type 304

                                                          UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
A. Conical Nut          ASTM A193 Grade B8 Class 1
                                                          UN 8 Pitch Series Class 2B fit for 1 1/4"
B.   Expansion Sleeve   ASTM A213                         ERW DOM Tubing
                        ASTM A193 Grade B8 Class 1
                                                          UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
C.   Threaded Stud Bolt fu = 75,000 psi
                                                          UN 8 Pitch Series Class 2B fit for 1 1/4"
                        fy = 30,000 psi
D. Distance Tube        ASTM A213                         ERW DOM Tubing
E.   Washer             AISC 304                          Hardened Round Flat Washer
                                                          UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
F.   Heavy Hex Nut      ASTM A194 Grade B8
                                                          UN 8 Pitch Series Class 2B fit for 1 1/4"




                                   Stainless Steel Maxi-Bolts
                             ASTM A193 Grade B8 - Class 2 - Type 304

                        1/2" and under ASTM A193
                        Grade B8 Class 2                  UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
A. Conical Nut
                        5/8" and larger ASTM A564         UN 8 Pitch Series Class 2B fit for 1 1/4"
                        Type 630
B.   Expansion Sleeve   ASTM A213                         ERW DOM Tubing
                        ASTM A193 Grade B8 Class 2
                        3/4" and under fu = 125,000 psi
                                       fy = 100,000 psi
                                                          UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
C.   Threaded Stud Bolt 1"            fu = 115,000 psi    UN 8 Pitch Series Class 2B fit for 1 1/4"
                                      fy = 80,000 psi
                        1 1/4"        fu = 105,000 psi
                                      fy = 65,000 psi
D. Distance Tube        ASTM A213                         ERW DOM Tubing
E.   Washer             AISC 304                          Hardened Round Flat Washer
                        ASTM A194 Grade B8                UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
F.   Heavy Hex Nut
                        Strain Hardened                   UN 8 Pitch Series Class 2B fit for 1 1/4"




                                                   Page 6 of 19
                                      Stainless Steel Maxi-Bolts
                                ASTM A193 Grade B8M - Class 1 - Type 316

                                                            UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
A. Conical Nut        ASTM A193 Grade B8M Class 1
                                                            UN 8 Pitch Series Class 2B fit for 1 1/4"
     Expansion
B.                    ASTM A213                             ERW DOM Tubing
     Sleeve
                      ASTM A193 Grade B8M Class 1
     Threaded                                               UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
C.                    fu = 75,000 psi
     Stud Bolt                                              UN 8 Pitch Series Class 2B fit for 1 1/4"
                      fy = 30,000 psi
D. Distance Tube ASTM A213                                  ERW DOM Tubing
E.   Washer           AISC 316                              Hardened Round Flat Washer
     Heavy Hex                                              UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
F.                    ASTM A194 Grade B8M
     Nut                                                    UN 8 Pitch Series Class 2B fit for 1 1/4"




                                      Stainless Steel Maxi-Bolts
                                ASTM A193 Grade B8M - Class 2 - Type 316

                       1/2" and under ASTM A193
                                                            UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
A.    Conical Nut      Grade B8M Class 2
                                                            UN 8 Pitch Series Class 2B fit for 1 1/4"
                       5/8" and larger A564 Type 630
      Expansion
B.                     ASTM A213                            ERW DOM Tubing
      Sleeve
                       ASTM A193 Grade B8M Class 2
                       3/4" and under fu = 110,000 psi
                                      fy = 95,000 psi
      Threaded Stud                                         UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
C.                  1"                fu = 100,000 psi
      Bolt                                                  UN 8 Pitch Series Class 2B fit for 1 1/4"
                                      fy = 80,000 psi
                       1 1/4"         fu = 95,000 psi
                                      fy = 65,000 psi
D.    Distance Tube    ASTM A213                            ERW DOM Tubing
E.    Washer           AISC 316                             Hardened Round Flat Washer
      Heavy Hex        ASTM A194 Grade B8M                  UNC Series Class 2B fit for 1/4", 3/8", 1/2", 5/8", 3/4", and 1"
F.
      Nut              Strain Hardened                      UN 8 Pitch Series Class 2B fit for 1 1/4"




                                                         Page 7 of 19
3.0 INSTALLING ANCHORS

     3.1 Examine Assembled Anchor

            3.1.1 Check to ensure that all components are present and that the bolt is correctly
            assembled. See Figure 2.

            3.1.2 No modification to the anchor shall be permitted.

     3.2 Setting Anchor

            3.2.1 To set the Maxi-Bolt it is necessary to draw the conical nut on the stud bolt up into
            the anchor's sleeve. In so doing the expansion sleeve will be forced to move laterally into
            the undercut portion of the hole and the conical nut will seat fully inside the expansion
            sleeve. See Figure 4B. This process may be accomplished in one of three ways. (Note:
            Figure 4A shows hydraulic setting and Figure 6 shows the Hand Bolt Setter.)

            3.2.2 Manual Setting

                   3.2.2.1 Remove nut and washer from anchor and place the end of the anchor stud
                   bolt through the center hole of the Bolt Bushing (from Figure 3). The Bolt Bushing
                   should be oriented so that the 1/16" offset bears against the anchor sleeve. Finger
                   tighten hex nut and washer on anchor bolt assembly.

                   3.2.2.2 Insert anchor into properly drilled, undercut and cleaned hole.

                   3.2.2.2.1 Because of close tolerance between conical nut O.D. and hole I.D. it may
                   be necessary to lightly hammer the anchor into the hole:

                           a. If hammering is necessary, steps shall be employed which will prevent
                           damage to the threads of stud bolt.
                   3.2.2.3 Depending on the end configuration of the stud bolt, use an allen wrench or
                   adjustable wrench to hold the stud stationary while the heavy hex nut is tightened.
                   The heavy hex nut should be tightened until the conical nut is seated and the
                   expansion sleeve contacts the I.D. of the conical undercut in the concrete. The
                   installer will note a sudden increase in torque required at this point. During the
                   setting operation the orientation of the bolt bushing should be observed and should
                   not be allowed to rotate relative to the concrete surface.

            3.2.3 Setting Anchor with Hand Bolt Setting Tool

                   3.2.3.1 Remove hex nut and washer from Maxi-Bolt. Thread anchor stud into the
                   bottom of the Hand Bolt Setter so that anchor sleeve is firmly in contact with the
                   1/16" offset of the Bolt Setter's bolt bushing. Place assembly into clean undercut
                   hole. Grasp Hand Bolt Setter handle and turn hex nut in a clockwise direction using
                   a 1 5/8" box end wrench or adjustable wrench. When pin is within 3/16" of the top
                   of slot and the torque required to turn the Hand Bolt Setter hex nut has increased

                                            Page 8 of 19
       considerably, the anchor is set. Loosen hex nut. Remove Hand Bolt Setter by
       rotating it in a counterclockwise direction. See Figure 6.




3.2.4 Hydraulic Setting

       3.2.4.1 Check to insure that components required for hydraulic setting are present
       and assembled. See Figure 3.

       3.2.4.2 Remove nut and washer from anchor and place the end of the anchor stud
       bolt through the center hole of the Bolt Bushing. The Bolt Bushing should be
       oriented so that the 1/16" offset bears against the anchor sleeve. Position the Bolt
       Bushing in the center of the Base Plate. Then attach draw bar to the stud bolt as
       shown in Figure 4A.

       3.2.4.3 Place the anchor into the drilled and undercut hole so that the Base Plate on
       the hydraulic cylinder is in contact with the surface of the concrete or attachment.
       Load the bolt to the values specified in Table III. (Table III gives values for A193
       Grade B7 material. For other materials see the Tables for Other Materials.) Remove
       the Draw Bar, Hydraulic Cylinder, and Bolt Bushing from the anchor.




                                Page 9 of 19
Page 10 of 19
3.3 Tensioning Anchor

      3.3.1 Torque Tensioning

             3.3.1.1 Torque anchors to the values specified in Table III. (Table III gives values for A193
             Grade B7 material. For other materials see the Tables for Other Materials.) For torquing of
             1/4" Maxi-Bolt anchors it is suggested that a click or breakaway type torque wrench be
             employed to insure that the maximum torque is not exceeded.

                                             Page 11 of 19
3.3.2 Hydraulic Tensioning

       3.3.2.1 Replace and finger tighten nut and washer on anchor stud bolt. Place a center pull
       hydraulic cylinder over the anchor stud and bridge cylinder so that it leaves the hex nut
       exposed and bears on the concrete surface or attachment around the anchor. Turn the draw
       bar down onto the anchor and tension it to the values specified in Table III. (Table III gives
       values for A193 Grade B7 material. For other materials see the Tables for Other
       Materials.) Tighten down the hex nut to retain the load. Release the pressure and remove
       the hydraulic cylinder. See Figure 5.




                                       Page 12 of 19
Page 13 of 19
                                        TABLE I
                      Primary Hole Drill Diameters and Hole Depths
                                                              Minimum Hole Depth
     Nominal Anchor Size        Drill Diameter Maximum
                                                             Anchor Embedment Plus
               1/4"                       0.530"                      1 inch
               3/8"                       0.655"                      1 inch
               1/2"                       0.778"                      1 inch
               5/8"                       0.975"                      1 inch
               3/4"                       1.172"                     1 1/2 inch
                 1"                       1.690"                     2 inches
               1 1/4"                     2.065"                     2 inches
          1/2" Heavy                      0.845"                      1 inch




                                        TABLE I I
                        Undercutting Tool Diameters & Tolerances
Nominal Anchor Size        Diameter A    Diameter B     Tolerance   Diameter G    Tolerance
                                                         +.020"                    +.001"
       1/4"                  0.500"        0.750"                     0.625"
                                                         -.060"                    -.001"
                                                         +.020"                    +.001"
       3/8"                  0.625"        0.875"                     0.750"
                                                         -.060"                    -.001"
                                                         +.010"
       1/2"                  0.709"        0.949"                      N/A          N/A
                                                         -.030"
                                                         +.010"
       5/8"                  0.905"        1.176"                      N/A          N/A
                                                         -.030"
                                                         +.010"
       3/4"                  1.102"        1.550"                      N/A          N/A
                                                         -.040"
                                                         +.010"
        1"                   1.625"        2.275"                      N/A          N/A
                                                         -.050"
                                                         +.010"
      1 1/4"                 2.000"        2.770"                      N/A          N/A
                                                         -.060"
                                                         +.010"
    1/2" Heavy               0.812"        1.120"                      N/A          N/A
                                                         -.030"




                                        Page 14 of 19
                                    TABLE III (RCH Data)
                         with data for RCH series hydraulic cylinders
               for data on RC series hydraulic cylinders see Table III (RC Data)
                                Torque and Load Values for A193 Grade B7 Material
                                                                   (Setting)                                        (Tension)
  Nominal                              Setting Load                                      Tensioning Load
            Tensioning                                            Hydraulic                                         Hydraulic
  Anchor                               (Pounds) (A)                                          (Pounds)
          Torque (Ft. Lb.)                                       Gage Reading                                      Gage Reading
   Size                               .50 Fy - .525 Fy                                    .81 Fy - .85 Fy
                                                                     (PSI)                                             (PSI)
     1/4"            9 - 12             1,680 - 1,764              232 - 244 *             2,722 - 2,858             377 - 395 *
     3/8"           40 - 44             4,095 - 4,300              567 - 595 *             6,634 - 6,966             918 - 964 *
     1/2"           80 - 90             7,455 - 7,828            1,032 - 1,084 *          12,077 - 12,681          1,672 - 1,756 *
     5/8"         180 - 200           11,865 - 12,458            1,643 - 1,725 *          19,221 - 20,182          2,662 - 2,795 *
     3/4"         340 - 360           17,535 - 18,412            2,428 - 2,550 *          28,406 - 29,826          3,934 - 4,131 *
      1"          640 - 660           31,815 - 33,406            2,497 - 2,622**          51,540 - 54,117         4,045 - 4,247 **
    1 1/4"      1,460 - 1,490         52,485 - 55,109           4,119 - 4,325 **          85,024 - 89,275         6,673 - 7,007 **

All torque values based upon Maxi-Bolts furnished with electrozinc plating to Federal Specification QQ-Z-325c Type II Class 3
(A) If desired, this range may extend from .50 Fy to .81 Fy.
 * Determined by dividing load pounds by 7.22 square inches (Drillco supplied RCH-302 Hydraulic System)
 ** Determined by dividing load pounds by 12.74 square inches (Drillco supplied RCH-603 Hydraulic System)



                                      TABLE III (RC Data)
                           with data for RC series hydraulic cylinders
              for data on RCH series hydraulic cylinders see Table III (RCH Data)
                                Torque and Load Values for A193 Grade B7 Material
                                                                    (Setting)                                         (Tension)
   Nominal                               Setting Load                                      Tensioning Load
                   Tensioning                                      Hydraulic                                          Hydraulic
   Anchor                                (Pounds) (A)                                          (Pounds)
                 Torque (Ft. Lb.)                                 Gage Reading                                       Gage Reading
    Size                                .50 Fy - .525 Fy                                    .81 Fy - .85 Fy
                                                                      (PSI)                                              (PSI)
      1/4"             9 - 12             1,680 - 1,764             257 - 270 *               2,722 - 2,858            416 - 437 *
      3/8"            40 - 44             4,095 - 4,300             627 - 658 *               6,634 - 6,966          1,015 - 1,067 *
      1/2"            80 - 90             7,455 - 7,828           1,142 - 1,199 *           12,077 - 12,681          1,850 - 1,942 *
      5/8"           180 - 200           11,865 - 12,458          1,817 - 1,908 *           19,221 - 20,182          2,943 - 3,091 *
      3/4"           340 - 360           17,535 - 18,412          2,685 - 2,820 *           28,406 - 29,826          4,350 - 4,568 *
       1"            640 - 660          31,815 - 33,406;          2,400 - 2,521**           51,540 - 54,117          3,890 - 4,085 **
     1 1/4"        1,460 - 1,490         52,485 - 55,109         3,960 - 4,160 **           85,024 - 89,275          6,415 - 6,740 **

All torque values based upon Maxi-Bolts furnished with electrozinc plating to Federal Specification QQ-Z-325c Type II Class 3
(A) If desired, this range may extend from .50 Fy to .81 Fy.
 * Determined by dividing load pounds by 6.53 square inches (Drillco supplied RC-302 Hydraulic System)
 ** Determined by dividing load pounds by 13.25 square inches (Drillco supplied RC-603 Hydraulic System)


                                                           Page 15 of 19
                                        TABLE III (ASTM A36 Material)
                                   with data for RC-Series Hydraulic Cylinders
                                         Torque and Load Values for A36 Material
                                      (Reduced Edge Distances Require Lower Values)
                                                                              Setting and Tensioning Load            Hydraulic
            Nominal Anchor                 Tensioning Torque
                                                                                         (Pounds)                   Gage Reading
                 Size                           (Ft. Lb.)
                                                                                      .81 Fy - .85 Fy                   (PSI)
                   1/4"                             3-5                                   933 - 980                    140 - 150 *
                   3/8"                           18 - 20                               2,275 - 2,385                  350 - 365 *
                   1/2"                           35 - 40                               4,140 - 4,345                  635 - 665 *
                   5/8"                           80 - 85                               6,590 - 6,915                1,010 - 1,060 *
                   3/4"                          130 - 140                             9,740 - 10,220                1,490 - 1,565 *
                    1"                           420 - 440                            17,670 - 18,545               1,335 - 1,400 **
                  1 1/4"                         610 - 630                            29,160 - 30,600               2,200 - 2,300 **

All torque values based upon Maxi-Bolts furnished with electrozinc plating to Federal Specification QQ-Z-325c Type II Class 3
 * Determined by dividing load pounds by 6.53 square inches (Drillco supplied RC-302 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.
 ** Determined by dividing load pounds by 13.25 square inches (Drillco supplied RC-603 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.


                                        TABLE III (ASTM A36 Material)
                                  with data for RCH-Series Hydraulic Cylinders
                                         Torque and Load Values for A36 Material
                                      (Reduced Edge Distances Require Lower Values)
                                                                              Setting and Tensioning Load            Hydraulic
            Nominal Anchor                  Tensioning Torque
                                                                                        (Pounds)                    Gage Reading
                 Size                            (Ft. Lb.)
                                                                                     .81 Fy - .85 Fy                    (PSI)
                    1/4"                             3-5                                  933 - 980                    130 - 135 *
                    3/8"                           18 - 20                              2,275 - 2,385                  315 - 330 *
                    1/2"                           35 - 40                              4,140 - 4,345                  575 - 600 *
                    5/8"                           80 - 85                              6,590 - 6,915                  915 - 960 *
                    3/4"                          130 - 140                            9,740 - 10,220                1,350 - 1,415 *
                     1"                           420 - 440                           17,670 - 18,545               1,390 - 1,455 **
                   1 1/4"                         610 - 630                           29,160 - 30,600               2,290 - 2,400 **

All torque values based upon Maxi-Bolts furnished with electrozinc plating to Federal Specification QQ-Z-325c Type II Class 3
 * Determined by dividing load pounds by 7.22 square inches (Drillco supplied RCH-302 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.
 ** Determined by dividing load pounds by 12.74 square inches (Drillco supplied RCH-603 Hydraulic System). For other hydraulic
cylinders, divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage
readings.


                                                              Page 16 of 19
                    TABLE III (ASTM A193 B8 (Type 304) and B8M (Type 316)
                    Class 1 Material) with data for RC-Series Hydraulic Cylinders
                Torque and Load Values for A193 B8 (Type 304) and B8M (Type 316) - Class 1
                  Stainless Steel Material (Reduced Edge Distances Require Lower Values)
                                                                              Setting and Tensioning Load            Hydraulic
            Nominal Anchor                  Tensioning Torque
                                                                                         (Pounds)                   Gage Reading
                 Size                            (Ft. Lb.)
                                                                                      .81 Fy - .85 Fy                   (PSI)
                    3/8"                           15 - 18                              1,895 - 1,990                  290 - 305 *
                    1/2"                           30 - 35                              3,450 - 3,620                  530 - 555 *
                    5/8"                           65 - 70                              5,490 - 5,765                  840 - 880 *
                    3/4"                          105 - 115                             8,115 - 8,515               1,240 - 1,305 *
                     1"                           300 - 320                           14,725 - 15,455               1,110 - 1,165 **
                   1 1/4"                         420 - 440                           24,300 - 25,500               1,835 - 1,925 **

All torque values based upon Maxi-Bolts furnished with electrozinc plating to Federal Specification QQ-Z-325c Type II Class 3
 * Determined by dividing load pounds by 6.53 square inches (Drillco supplied RC-302 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.
 ** Determined by dividing load pounds by 13.25 square inches (Drillco supplied RC-603 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.



                   TABLE III (ASTM A193 B8 (Type 304) and B8M (Type 316)
                  Class 1 Material) with data for RCH-Series Hydraulic Cylinders
                Torque and Load Values for A193 B8 (Type 304) and B8M (Type 316) - Class 1
                  Stainless Steel Material (Reduced Edge Distances Require Lower Values)
                                                                              Setting and Tensioning Load            Hydraulic
            Nominal Anchor                  Tensioning Torque
                                                                                         (Pounds)                   Gage Reading
                 Size                            (Ft. Lb.)
                                                                                      .81 Fy - .85 Fy                   (PSI)
                    3/8"                           15 - 18                              1,895 - 1,990                  260 - 275 *
                    1/2"                           30 - 35                              3,450 - 3,620                  475 - 500 *
                    5/8"                           65 - 70                              5,490 - 5,765                  760 - 800 *
                    3/4"                          105 - 115                             8,115 - 8,515               1,125 - 1,180 *
                     1"                           300 - 320                           14,725 - 15,455               1,155 - 1,215 **
                   1 1/4"                         420 - 440                           24,300 - 25,500               1,905 - 2,000 **

All torque values based upon Maxi-Bolts furnished with electrozinc plating to Federal Specification QQ-Z-325c Type II Class 3
 * Determined by dividing load pounds by 7.22 square inches (Drillco supplied RCH-302 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.
 ** Determined by dividing load pounds by 12.74 square inches (Drillco supplied RCH-603 Hydraulic System). For other hydraulic
cylinders, divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage
readings.


                                                              Page 17 of 19
                       TABLE III (ASTM A193 B8 (Type 304) - Class 2 Material)
                            with data for RC-Series Hydraulic Cylinders
            Torque and Load Values for A193 B8 (Type 304) - Class 2 Stainless Steel Material
                          (Reduced Edge Distances Require Lower Values)
                                                                              Setting and Tensioning Load              Hydraulic
                                            Tensioning Torque
     Nominal Anchor Size                                                                 (Pounds)                     Gage Reading
                                                 (Ft. Lb.)
                                                                                      .81 Fy - .85 Fy                     (PSI)
                3/8"                               40 - 44                              6,320 - 6,630                  965 - 1,015 *
                1/2"                               80 - 90                            11,500 - 12,070                 1,760 - 1,850 *
                5/8"                              180 - 200                           18,305 - 19,210                 2,800 - 2,940 *
                3/4"                              340 - 360                           27,055 - 28,390                 4,140 - 4,345 *
                 1"                               410 - 430                           39,270 - 41,208                 2,965 - 3,110 **
               1 1/4"                             900-920                             52,650 - 55,250                 3,975 - 4,170 **

All torque values based upon Maxi-Bolts furnished with electrozinc plating to Federal Specification QQ-Z-325c Type II Class 3
  * Determined by dividing load pounds by 6.53 square inches (Drillco supplied RC-302 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.
 ** Determined by dividing load pounds by 13.25 square inches (Drillco supplied RC-603 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.



                       TABLE III (ASTM A193 B8 (Type 304) - Class 2 Material)
                           with data for RCH-Series Hydraulic Cylinders
            Torque and Load Values for A193 B8 (Type 304) - Class 2 Stainless Steel Material
                          (Reduced Edge Distances Require Lower Values)
                                                                              Setting and Tensioning Load              Hydraulic
                                            Tensioning Torque
     Nominal Anchor Size                                                                 (Pounds)                     Gage Reading
                                                 (Ft. Lb.)
                                                                                      .81 Fy - .85 Fy                     (PSI)
                3/8"                               40 - 44                              6,320 - 6,630                    875 - 920 *
                1/2"                               80 - 90                            11,500 - 12,070                 1,590 - 1,670 *
                5/8"                              180 - 200                           18,305 - 19,210                 2,535 - 2,660 *
                3/4"                              340 - 360                           27,055 - 28,390                 3,750 - 3,930 *
                 1"                               410 - 430                           39,270 - 41,208                 3,080 - 3,235 **
               1 1/4"                             900-920                             52,650 - 55,250                 4,130 - 4,335 **

All torque values based upon Maxi-Bolts furnished with electrozinc plating to Federal Specification QQ-Z-325c Type II Class 3
 * Determined by dividing load pounds by 7.22 square inches (Drillco supplied RCH-302 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.
 ** Determined by dividing load pounds by 12.74 square inches (Drillco supplied RCH-603 Hydraulic System). For other hydraulic
cylinders, divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage
readings.



                                                              Page 18 of 19
                        TABLE III (ASTM A193 B8M (316) - Class 2 Material)
                            with data for RC-Series Hydraulic Cylinders
              Torque and Load Values for A193 B8M (316) - Class 2 Stainless Steel Material
                           (Reduced Edge Distances Require Lower Values)
                                                                              Setting and Tensioning Load              Hydraulic
                                            Tensioning Torque
      Nominal Anchor Size                                                                (Pounds)                     Gage Reading
                                                 (Ft. Lb.)
                                                                                      .81 Fy - .85 Fy                     (PSI)
                3/8"                               38 - 42                              6,000 - 6,300                    920 - 965 *
                1/2"                               75 - 85                            10,925 - 11,465                 1,675 - 1,755 *
                5/8"                              170 - 190                           17,390 - 18,250                 2,665 - 2,795 *
                3/4"                              310 - 330                           25,700 - 26,970                 3,935 - 4,130 *
                 1"                              410 - 430                            39,270 - 41,208                 2,965 - 3,110 **
               1 1/4"                             900 - 920                           52,650 - 55,250                 3,975 - 4,170 **

All torque values based upon Maxi-Bolts furnished with electrozinc plating to Federal Specification QQ-Z-325c Type II Class 3
 * Determined by dividing load pounds by 6.53 square inches (Drillco supplied RC-302 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.
 ** Determined by dividing load pounds by 13.25 square inches (Drillco supplied RC-603 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.



                   TABLE III (ASTM A193 B8M (Type 316) - Class 2 Material)
                        with data for RCH-Series Hydraulic Cylinders
          Torque and Load Values for A193 B8M (Type 316) - Class 2 Stainless Steel Material
                         (Reduced Edge Distances Require Lower Values)
                                                                              Setting and Tensioning Load              Hydraulic
                                            Tensioning Torque
      Nominal Anchor Size                                                               (Pounds)                      Gage Reading
                                                 (Ft. Lb.)
                                                                                      .81 Fy - .85 Fy                     (PSI)
                3/8"                               38 - 42                              6,000 - 6,300                    830 - 875 *
                1/2"                               75 - 85                             10,925 - 11,465                 1,510 - 1,590 *
                5/8"                              170 - 190                            17,390 - 18,250                 2,300 - 2,525 *
                3/4"                              310 - 330                            25,700 - 26,970                 3,560 - 3,735 *
                 1"                               410 - 430                            39,270 - 41,208                3,080 - 3,235 **
               1 1/4"                             900 - 920                            52,650 - 55,250                4,130 - 4,335 **

All torque values based upon Maxi-Bolts furnished with electrozinc plating to Federal Specification QQ-Z-325c Type II Class 3
 * Determined by dividing load pounds by 7.22 square inches (Drillco supplied RCH-302 Hydraulic System). For other hydraulic cylinders,
divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage readings.
 ** Determined by dividing load pounds by 12.74 square inches (Drillco supplied RCH-603 Hydraulic System). For other hydraulic
cylinders, divide the Setting Load by the effective cylinder cross section as given by the cylinder manufacturer to obtain the appropriate gage
readings.


                                                              Page 19 of 19

				
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